FIRE DETECTOR HAVING A LIFTING FUNCTION
First Claim
1. A fire detector having a lifting function, comprising:
- a fixed body fixed to a ceiling of a building;
a lifting reel installed to the fixed body to vertically move a wire below the fixed body; and
a fire detection unit connected to the wire below the lifting reel and installed to be vertically movable by the lifting reel.
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Accused Products
Abstract
A fire detector having a lifting function includes a fixed body fixed to a ceiling of a building, a lifting reel installed to the fixed body to vertically move a wire below the fixed body, and a fire detection unit connected to the wire below the lifting reel and installed to be vertically movable by the lifting reel. The lifting reel includes a drum connected with the wire to wind or unwind the wire by a motor, a lifting body positioned at a lower end of the fixed body and connected with the wire, and a contact terminal formed at an upper end of the lifting body. The contact terminal of the lifting body is contacted with a contact terminal formed at a lower end of the fixed body when the lifting body is completely ascended. The fire detection unit is fixed to the lifting body.
18 Citations
24 Claims
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1. A fire detector having a lifting function, comprising:
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a fixed body fixed to a ceiling of a building;
a lifting reel installed to the fixed body to vertically move a wire below the fixed body; and
a fire detection unit connected to the wire below the lifting reel and installed to be vertically movable by the lifting reel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification